2 * Server-side console management
4 * Copyright (C) 1998 Alexandre Julliard
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include "wine/port.h"
39 static void console_input_dump( struct object *obj, int verbose );
40 static void console_input_destroy( struct object *obj );
41 static int console_input_signaled( struct object *obj, struct thread *thread );
44 static int console_get_file_info( struct object *obj, struct get_file_info_reply *reply, int *flags );
46 static const struct object_ops console_input_ops =
48 sizeof(struct console_input), /* size */
49 console_input_dump, /* dump */
50 add_queue, /* add_queue */
51 remove_queue, /* remove_queue */
52 console_input_signaled, /* signaled */
53 no_satisfied, /* satisfied */
54 NULL, /* get_poll_events */
55 NULL, /* poll_event */
56 no_get_fd, /* get_fd */
58 console_get_file_info, /* get_file_info */
59 NULL, /* queue_async */
60 console_input_destroy /* destroy */
63 static void console_input_events_dump( struct object *obj, int verbose );
64 static void console_input_events_destroy( struct object *obj );
65 static int console_input_events_signaled( struct object *obj, struct thread *thread );
67 struct console_input_events
69 struct object obj; /* object header */
70 int num_alloc; /* number of allocated events */
71 int num_used; /* number of actually used events */
72 struct console_renderer_event* events;
75 static const struct object_ops console_input_events_ops =
77 sizeof(struct console_input_events), /* size */
78 console_input_events_dump, /* dump */
79 add_queue, /* add_queue */
80 remove_queue, /* remove_queue */
81 console_input_events_signaled, /* signaled */
82 no_satisfied, /* satisfied */
83 NULL, /* get_poll_events */
84 NULL, /* poll_event */
85 no_get_fd, /* get_fd */
87 no_get_file_info, /* get_file_info */
88 NULL, /* queue_async */
89 console_input_events_destroy /* destroy */
94 struct object obj; /* object header */
95 struct screen_buffer *next; /* linked list of all screen buffers */
96 struct screen_buffer *prev;
97 struct console_input *input; /* associated console input */
98 int mode; /* output mode */
99 int cursor_size; /* size of cursor (percentage filled) */
100 int cursor_visible;/* cursor visibility flag */
101 int cursor_x; /* position of cursor */
102 int cursor_y; /* position of cursor */
103 int width; /* size (w-h) of the screen buffer */
105 int max_width; /* size (w-h) of the window given font size */
107 char_info_t *data; /* the data for each cell - a width x height matrix */
108 unsigned short attr; /* default attribute for screen buffer */
109 rectangle_t win; /* current visible window on the screen buffer *
110 * as seen in wineconsole */
113 static void screen_buffer_dump( struct object *obj, int verbose );
114 static void screen_buffer_destroy( struct object *obj );
116 static const struct object_ops screen_buffer_ops =
118 sizeof(struct screen_buffer), /* size */
119 screen_buffer_dump, /* dump */
120 no_add_queue, /* add_queue */
121 NULL, /* remove_queue */
123 NULL, /* satisfied */
124 NULL, /* get_poll_events */
125 NULL, /* poll_event */
126 no_get_fd, /* get_fd */
127 no_flush, /* flush */
128 console_get_file_info, /* get_file_info */
129 NULL, /* queue_async */
130 screen_buffer_destroy /* destroy */
133 static struct screen_buffer *screen_buffer_list;
135 static const char_info_t empty_char_info = { ' ', 0x000f }; /* white on black space */
137 /* dumps the renderer events of a console */
138 static void console_input_events_dump( struct object *obj, int verbose )
140 struct console_input_events *evts = (struct console_input_events *)obj;
141 assert( obj->ops == &console_input_events_ops );
142 fprintf( stderr, "Console input events: %d/%d events\n",
143 evts->num_used, evts->num_alloc );
146 /* destroys the renderer events of a console */
147 static void console_input_events_destroy( struct object *obj )
149 struct console_input_events *evts = (struct console_input_events *)obj;
150 assert( obj->ops == &console_input_events_ops );
151 free( evts->events );
154 /* the renderer events list is signaled when it's not empty */
155 static int console_input_events_signaled( struct object *obj, struct thread *thread )
157 struct console_input_events *evts = (struct console_input_events *)obj;
158 assert( obj->ops == &console_input_events_ops );
159 return (evts->num_used != 0);
162 /* add an event to the console's renderer events list */
163 static void console_input_events_append( struct console_input_events* evts,
164 struct console_renderer_event* evt)
166 /* to be done even when the renderer generates the events ? */
167 if (evts->num_used == evts->num_alloc)
169 evts->num_alloc += 16;
170 evts->events = realloc( evts->events, evts->num_alloc * sizeof(*evt) );
171 assert(evts->events);
173 evts->events[evts->num_used++] = *evt;
174 wake_up( &evts->obj, 0 );
177 /* retrieves events from the console's renderer events list */
178 static void console_input_events_get( struct console_input_events* evts )
180 size_t num = get_reply_max_size() / sizeof(evts->events[0]);
182 if (num > evts->num_used) num = evts->num_used;
183 set_reply_data( evts->events, num * sizeof(evts->events[0]) );
184 if (num < evts->num_used)
186 memmove( &evts->events[0], &evts->events[num],
187 (evts->num_used - num) * sizeof(evts->events[0]) );
189 evts->num_used -= num;
192 static struct console_input_events *create_console_input_events(void)
194 struct console_input_events* evt;
196 if (!(evt = alloc_object( &console_input_events_ops, -1 ))) return NULL;
197 evt->num_alloc = evt->num_used = 0;
202 static struct object *create_console_input( struct thread* renderer )
204 struct console_input *console_input;
206 if (!(console_input = alloc_object( &console_input_ops, -1 ))) return NULL;
207 console_input->renderer = renderer;
208 console_input->mode = ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT |
209 ENABLE_ECHO_INPUT | ENABLE_MOUSE_INPUT;
210 console_input->num_proc = 0;
211 console_input->active = NULL;
212 console_input->recnum = 0;
213 console_input->records = NULL;
214 console_input->evt = create_console_input_events();
215 console_input->title = NULL;
216 console_input->history_size = 50;
217 console_input->history = calloc( console_input->history_size, sizeof(WCHAR*) );
218 console_input->history_index = 0;
219 console_input->history_mode = 0;
221 if (!console_input->history || !console_input->evt)
223 release_object( console_input );
226 return &console_input->obj;
229 static struct screen_buffer *create_console_output( struct console_input *console_input )
231 struct screen_buffer *screen_buffer;
232 struct console_renderer_event evt;
235 if (!(screen_buffer = alloc_object( &screen_buffer_ops, -1 ))) return NULL;
236 screen_buffer->mode = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT;
237 screen_buffer->input = console_input;
238 screen_buffer->cursor_size = 100;
239 screen_buffer->cursor_visible = 1;
240 screen_buffer->width = 80;
241 screen_buffer->height = 150;
242 screen_buffer->max_width = 80;
243 screen_buffer->max_height = 25;
244 screen_buffer->cursor_x = 0;
245 screen_buffer->cursor_y = 0;
246 screen_buffer->attr = 0x0F;
247 screen_buffer->win.left = 0;
248 screen_buffer->win.right = screen_buffer->max_width - 1;
249 screen_buffer->win.top = 0;
250 screen_buffer->win.bottom = screen_buffer->max_height - 1;
252 if ((screen_buffer->next = screen_buffer_list)) screen_buffer->next->prev = screen_buffer;
253 screen_buffer->prev = NULL;
254 screen_buffer_list = screen_buffer;
256 if (!(screen_buffer->data = malloc( screen_buffer->width * screen_buffer->height *
257 sizeof(*screen_buffer->data) )))
259 release_object( screen_buffer );
262 /* clear the first row */
263 for (i = 0; i < screen_buffer->width; i++) screen_buffer->data[i] = empty_char_info;
264 /* and copy it to all other rows */
265 for (i = 1; i < screen_buffer->height; i++)
266 memcpy( &screen_buffer->data[i * screen_buffer->width], screen_buffer->data,
267 screen_buffer->width * sizeof(char_info_t) );
269 if (!console_input->active)
271 console_input->active = (struct screen_buffer*)grab_object( screen_buffer );
273 /* generate the initial events */
274 evt.event = CONSOLE_RENDERER_ACTIVE_SB_EVENT;
275 console_input_events_append( console_input->evt, &evt );
277 evt.event = CONSOLE_RENDERER_SB_RESIZE_EVENT;
278 evt.u.resize.width = screen_buffer->width;
279 evt.u.resize.height = screen_buffer->height;
280 console_input_events_append( console_input->evt, &evt );
282 evt.event = CONSOLE_RENDERER_DISPLAY_EVENT;
283 evt.u.display.left = screen_buffer->win.left;
284 evt.u.display.top = screen_buffer->win.top;
285 evt.u.display.width = screen_buffer->win.right - screen_buffer->win.left + 1;
286 evt.u.display.height = screen_buffer->win.bottom - screen_buffer->win.top + 1;
287 console_input_events_append( console_input->evt, &evt );
289 evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
290 evt.u.update.top = 0;
291 evt.u.update.bottom = screen_buffer->height - 1;
292 console_input_events_append( console_input->evt, &evt );
294 evt.event = CONSOLE_RENDERER_CURSOR_GEOM_EVENT;
295 evt.u.cursor_geom.size = screen_buffer->cursor_size;
296 evt.u.cursor_geom.visible = screen_buffer->cursor_visible;
297 console_input_events_append( console_input->evt, &evt );
299 evt.event = CONSOLE_RENDERER_CURSOR_POS_EVENT;
300 evt.u.cursor_pos.x = screen_buffer->cursor_x;
301 evt.u.cursor_pos.y = screen_buffer->cursor_y;
302 console_input_events_append( console_input->evt, &evt );
304 return screen_buffer;
307 /* free the console for this process */
308 int free_console( struct process *process )
310 struct console_input* console = process->console;
312 if (!console || !console->renderer) return 0;
314 process->console = NULL;
315 if (--console->num_proc == 0)
317 /* all processes have terminated... tell the renderer to terminate too */
318 struct console_renderer_event evt;
319 evt.event = CONSOLE_RENDERER_EXIT_EVENT;
320 console_input_events_append( console->evt, &evt );
322 release_object( console );
327 /* let process inherit the console from parent... this handle two cases :
328 * 1/ generic console inheritance
329 * 2/ parent is a renderer which launches process, and process should attach to the console
330 * renderered by parent
332 void inherit_console(struct thread *parent_thread, struct process *process, obj_handle_t hconin)
335 struct process* parent = parent_thread->process;
337 /* if parent is a renderer, then attach current process to its console
342 struct console_input* console;
344 if ((console = (struct console_input*)get_handle_obj( parent, hconin, 0, NULL )))
346 if (console->renderer == parent_thread)
348 process->console = (struct console_input*)grab_object( console );
349 process->console->num_proc++;
352 release_object( console );
355 /* otherwise, if parent has a console, attach child to this console */
356 if (!done && parent->console)
358 assert(parent->console->renderer);
359 process->console = (struct console_input*)grab_object( parent->console );
360 process->console->num_proc++;
364 static struct console_input* console_input_get( obj_handle_t handle, unsigned access )
366 struct console_input* console = 0;
369 console = (struct console_input *)get_handle_obj( current->process, handle,
370 access, &console_input_ops );
371 else if (current->process->console)
373 assert( current->process->console->renderer );
374 console = (struct console_input *)grab_object( current->process->console );
377 if (!console && !get_error()) set_error(STATUS_INVALID_PARAMETER);
381 /* check if a console input is signaled: yes if non read input records */
382 static int console_input_signaled( struct object *obj, struct thread *thread )
384 struct console_input *console = (struct console_input *)obj;
385 assert( obj->ops == &console_input_ops );
386 return console->recnum ? 1 : 0;
389 struct console_signal_info {
390 struct console_input *console;
395 static int propagate_console_signal_cb(struct process *process, void *user)
397 struct console_signal_info* csi = (struct console_signal_info*)user;
399 if (process->console == csi->console && process->running_threads &&
400 (!csi->group || process->group_id == csi->group))
402 struct thread *thread = process->thread_list;
406 struct thread *next = thread->proc_next;
407 kill( thread->unix_pid, csi->signal );
414 static void propagate_console_signal( struct console_input *console,
415 int sig, process_id_t group_id )
417 struct console_signal_info csi;
421 set_error( STATUS_INVALID_PARAMETER );
424 /* FIXME: should support the other events (like CTRL_BREAK) */
425 if (sig != CTRL_C_EVENT)
427 set_error( STATUS_NOT_IMPLEMENTED );
430 csi.console = console;
432 csi.group = group_id;
434 enum_processes(propagate_console_signal_cb, &csi);
437 static int get_console_mode( obj_handle_t handle )
442 if ((obj = get_handle_obj( current->process, handle, GENERIC_READ, NULL )))
444 if (obj->ops == &console_input_ops)
445 ret = ((struct console_input *)obj)->mode;
446 else if (obj->ops == &screen_buffer_ops)
447 ret = ((struct screen_buffer *)obj)->mode;
449 set_error( STATUS_OBJECT_TYPE_MISMATCH );
450 release_object( obj );
455 /* changes the mode of either a console input or a screen buffer */
456 static int set_console_mode( obj_handle_t handle, int mode )
461 if (!(obj = get_handle_obj( current->process, handle, GENERIC_WRITE, NULL )))
463 if (obj->ops == &console_input_ops)
465 /* FIXME: if we remove the edit mode bits, we need (???) to clean up the history */
466 ((struct console_input *)obj)->mode = mode;
469 else if (obj->ops == &screen_buffer_ops)
471 ((struct screen_buffer *)obj)->mode = mode;
474 else set_error( STATUS_OBJECT_TYPE_MISMATCH );
475 release_object( obj );
479 /* add input events to a console input queue */
480 static int write_console_input( struct console_input* console, int count,
481 const INPUT_RECORD *records )
483 INPUT_RECORD *new_rec;
485 if (!count) return 0;
486 if (!(new_rec = realloc( console->records,
487 (console->recnum + count) * sizeof(INPUT_RECORD) )))
489 set_error( STATUS_NO_MEMORY );
490 release_object( console );
493 console->records = new_rec;
494 memcpy( new_rec + console->recnum, records, count * sizeof(INPUT_RECORD) );
496 if (console->mode & ENABLE_PROCESSED_INPUT)
501 if (records[i].EventType == KEY_EVENT &&
502 records[i].Event.KeyEvent.uChar.UnicodeChar == 'C' - 64 &&
503 !(records[i].Event.KeyEvent.dwControlKeyState & ENHANCED_KEY))
506 memcpy( &console->records[console->recnum + i],
507 &console->records[console->recnum + i + 1],
508 (count - i - 1) * sizeof(INPUT_RECORD) );
510 if (records[i].Event.KeyEvent.bKeyDown)
512 /* send SIGINT to all processes attached to this console */
513 propagate_console_signal( console, CTRL_C_EVENT, 0 );
519 console->recnum += count;
520 /* wake up all waiters */
521 wake_up( &console->obj, 0 );
525 /* retrieve a pointer to the console input records */
526 static int read_console_input( obj_handle_t handle, int count, int flush )
528 struct console_input *console;
530 if (!(console = (struct console_input *)get_handle_obj( current->process, handle,
531 GENERIC_READ, &console_input_ops )))
536 /* special case: do not retrieve anything, but return
537 * the total number of records available */
538 count = console->recnum;
542 if (count > console->recnum) count = console->recnum;
543 set_reply_data( console->records, count * sizeof(INPUT_RECORD) );
548 for (i = count; i < console->recnum; i++)
549 console->records[i-count] = console->records[i];
550 if ((console->recnum -= count) > 0)
552 INPUT_RECORD *new_rec = realloc( console->records,
553 console->recnum * sizeof(INPUT_RECORD) );
554 if (new_rec) console->records = new_rec;
558 free( console->records );
559 console->records = NULL;
562 release_object( console );
566 /* set misc console input information */
567 static int set_console_input_info( const struct set_console_input_info_request *req,
568 const WCHAR *title, size_t len )
570 struct console_input *console;
571 struct console_renderer_event evt;
573 if (!(console = console_input_get( req->handle, GENERIC_WRITE ))) goto error;
575 if (req->mask & SET_CONSOLE_INPUT_INFO_ACTIVE_SB)
577 struct screen_buffer *screen_buffer;
579 screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, req->active_sb,
580 GENERIC_READ, &screen_buffer_ops );
581 if (!screen_buffer || screen_buffer->input != console)
583 set_error( STATUS_INVALID_PARAMETER );
584 if (screen_buffer) release_object( screen_buffer );
588 if (screen_buffer != console->active)
590 if (console->active) release_object( console->active );
591 console->active = screen_buffer;
592 evt.event = CONSOLE_RENDERER_ACTIVE_SB_EVENT;
593 console_input_events_append( console->evt, &evt );
596 release_object( screen_buffer );
598 if (req->mask & SET_CONSOLE_INPUT_INFO_TITLE)
600 WCHAR *new_title = mem_alloc( len + sizeof(WCHAR) );
603 memcpy( new_title, title, len + sizeof(WCHAR) );
604 new_title[len / sizeof(WCHAR)] = 0;
605 if (console->title) free( console->title );
606 console->title = new_title;
607 evt.event = CONSOLE_RENDERER_TITLE_EVENT;
608 console_input_events_append( console->evt, &evt );
611 if (req->mask & SET_CONSOLE_INPUT_INFO_HISTORY_MODE)
613 console->history_mode = req->history_mode;
615 if ((req->mask & SET_CONSOLE_INPUT_INFO_HISTORY_SIZE) &&
616 console->history_size != req->history_size)
622 if (req->history_size)
624 mem = mem_alloc( req->history_size * sizeof(WCHAR*) );
625 if (!mem) goto error;
626 memset( mem, 0, req->history_size * sizeof(WCHAR*) );
629 delta = (console->history_index > req->history_size) ?
630 (console->history_index - req->history_size) : 0;
632 for (i = delta; i < console->history_index; i++)
634 mem[i - delta] = console->history[i];
635 console->history[i] = NULL;
637 console->history_index -= delta;
639 for (i = 0; i < console->history_size; i++)
640 if (console->history[i]) free( console->history[i] );
641 free( console->history );
642 console->history = mem;
643 console->history_size = req->history_size;
645 release_object( console );
648 if (console) release_object( console );
652 /* resize a screen buffer */
653 static int change_screen_buffer_size( struct screen_buffer *screen_buffer,
654 int new_width, int new_height )
656 int i, old_width, old_height, copy_width, copy_height;
657 char_info_t *new_data;
659 if (!(new_data = malloc( new_width * new_height * sizeof(*new_data) )))
661 set_error( STATUS_NO_MEMORY );
664 old_width = screen_buffer->width;
665 old_height = screen_buffer->height;
666 copy_width = min( old_width, new_width );
667 copy_height = min( old_height, new_height );
669 /* copy all the rows */
670 for (i = 0; i < copy_height; i++)
672 memcpy( &new_data[i * new_width], &screen_buffer->data[i * old_width],
673 copy_width * sizeof(char_info_t) );
676 /* clear the end of each row */
677 if (new_width > old_width)
680 for (i = old_width; i < new_width; i++) new_data[i] = empty_char_info;
681 /* and blast it to the other rows */
682 for (i = 1; i < copy_height; i++)
683 memcpy( &new_data[i * new_width + old_width], &new_data[old_width],
684 (new_width - old_width) * sizeof(char_info_t) );
687 /* clear remaining rows */
688 if (new_height > old_height)
691 for (i = 0; i < new_width; i++) new_data[old_height * new_width + i] = empty_char_info;
692 /* and blast it to the other rows */
693 for (i = old_height+1; i < new_height; i++)
694 memcpy( &new_data[i * new_width], &new_data[old_height * new_width],
695 new_width * sizeof(char_info_t) );
697 free( screen_buffer->data );
698 screen_buffer->data = new_data;
699 screen_buffer->width = new_width;
700 screen_buffer->height = new_height;
704 /* set misc screen buffer information */
705 static int set_console_output_info( struct screen_buffer *screen_buffer,
706 const struct set_console_output_info_request *req )
708 struct console_renderer_event evt;
710 if (req->mask & SET_CONSOLE_OUTPUT_INFO_CURSOR_GEOM)
712 if (req->cursor_size < 1 || req->cursor_size > 100)
714 set_error( STATUS_INVALID_PARAMETER );
717 if (screen_buffer->cursor_size != req->cursor_size ||
718 screen_buffer->cursor_visible != req->cursor_visible)
720 screen_buffer->cursor_size = req->cursor_size;
721 screen_buffer->cursor_visible = req->cursor_visible;
722 evt.event = CONSOLE_RENDERER_CURSOR_GEOM_EVENT;
723 evt.u.cursor_geom.size = req->cursor_size;
724 evt.u.cursor_geom.visible = req->cursor_visible;
725 console_input_events_append( screen_buffer->input->evt, &evt );
728 if (req->mask & SET_CONSOLE_OUTPUT_INFO_CURSOR_POS)
730 if (req->cursor_x < 0 || req->cursor_x >= screen_buffer->width ||
731 req->cursor_y < 0 || req->cursor_y >= screen_buffer->height)
733 set_error( STATUS_INVALID_PARAMETER );
736 if (screen_buffer->cursor_x != req->cursor_x || screen_buffer->cursor_y != req->cursor_y)
738 screen_buffer->cursor_x = req->cursor_x;
739 screen_buffer->cursor_y = req->cursor_y;
740 evt.event = CONSOLE_RENDERER_CURSOR_POS_EVENT;
741 evt.u.cursor_pos.x = req->cursor_x;
742 evt.u.cursor_pos.y = req->cursor_y;
743 console_input_events_append( screen_buffer->input->evt, &evt );
746 if (req->mask & SET_CONSOLE_OUTPUT_INFO_SIZE)
748 /* FIXME: there are also some basic minimum and max size to deal with */
749 if (!change_screen_buffer_size( screen_buffer, req->width, req->height )) return 0;
751 evt.event = CONSOLE_RENDERER_SB_RESIZE_EVENT;
752 evt.u.resize.width = req->width;
753 evt.u.resize.height = req->height;
754 console_input_events_append( screen_buffer->input->evt, &evt );
756 if (screen_buffer == screen_buffer->input->active &&
757 screen_buffer->input->mode & ENABLE_WINDOW_INPUT)
760 ir.EventType = WINDOW_BUFFER_SIZE_EVENT;
761 ir.Event.WindowBufferSizeEvent.dwSize.X = req->width;
762 ir.Event.WindowBufferSizeEvent.dwSize.Y = req->height;
763 write_console_input( screen_buffer->input, 1, &ir );
766 if (req->mask & SET_CONSOLE_OUTPUT_INFO_ATTR)
768 screen_buffer->attr = req->attr;
770 if (req->mask & SET_CONSOLE_OUTPUT_INFO_DISPLAY_WINDOW)
772 if (req->win_left < 0 || req->win_left > req->win_right ||
773 req->win_right >= screen_buffer->width ||
774 req->win_top < 0 || req->win_top > req->win_bottom ||
775 req->win_bottom >= screen_buffer->height)
777 set_error( STATUS_INVALID_PARAMETER );
780 if (screen_buffer->win.left != req->win_left || screen_buffer->win.top != req->win_top ||
781 screen_buffer->win.right != req->win_right || screen_buffer->win.bottom != req->win_bottom)
783 screen_buffer->win.left = req->win_left;
784 screen_buffer->win.top = req->win_top;
785 screen_buffer->win.right = req->win_right;
786 screen_buffer->win.bottom = req->win_bottom;
787 evt.event = CONSOLE_RENDERER_DISPLAY_EVENT;
788 evt.u.display.left = req->win_left;
789 evt.u.display.top = req->win_top;
790 evt.u.display.width = req->win_right - req->win_left + 1;
791 evt.u.display.height = req->win_bottom - req->win_top + 1;
792 console_input_events_append( screen_buffer->input->evt, &evt );
795 if (req->mask & SET_CONSOLE_OUTPUT_INFO_MAX_SIZE)
797 /* can only be done by renderer */
798 if (current->process->console != screen_buffer->input)
800 set_error( STATUS_INVALID_PARAMETER );
804 screen_buffer->max_width = req->max_width;
805 screen_buffer->max_height = req->max_height;
811 /* appends a new line to history (history is a fixed size array) */
812 static void console_input_append_hist( struct console_input* console, const WCHAR* buf, size_t len )
814 WCHAR* ptr = mem_alloc( (len + 1) * sizeof(WCHAR) );
818 set_error( STATUS_NO_MEMORY );
821 if (!console || !console->history_size)
823 set_error( STATUS_INVALID_PARAMETER ); /* FIXME */
827 memcpy( ptr, buf, len * sizeof(WCHAR) );
830 if (console->history_mode && console->history_index &&
831 strncmpW( console->history[console->history_index - 1], ptr, len * sizeof(WCHAR) ) == 0)
833 /* ok, mode ask us to not use twice the same string...
834 * so just free mem and returns
836 set_error( STATUS_ALIAS_EXISTS );
841 if (console->history_index < console->history_size)
843 console->history[console->history_index++] = ptr;
847 free( console->history[0]) ;
848 memmove( &console->history[0], &console->history[1],
849 (console->history_size - 1) * sizeof(WCHAR*) );
850 console->history[console->history_size - 1] = ptr;
854 /* returns a line from the cachde */
855 static size_t console_input_get_hist( struct console_input *console, int index )
859 if (index >= console->history_index) set_error( STATUS_INVALID_PARAMETER );
862 ret = strlenW( console->history[index] ) * sizeof(WCHAR);
863 set_reply_data( console->history[index], min( ret, get_reply_max_size() ));
869 static void console_input_dump( struct object *obj, int verbose )
871 struct console_input *console = (struct console_input *)obj;
872 assert( obj->ops == &console_input_ops );
873 fprintf( stderr, "Console input active=%p evt=%p\n",
874 console->active, console->evt );
877 static int console_get_file_info( struct object *obj, struct get_file_info_reply *reply, int *flags )
881 reply->type = FILE_TYPE_CHAR;
883 reply->access_time = 0;
884 reply->write_time = 0;
885 reply->size_high = 0;
888 reply->index_high = 0;
889 reply->index_low = 0;
893 return FD_TYPE_CONSOLE;
896 static void console_input_destroy( struct object *obj )
898 struct console_input* console_in = (struct console_input *)obj;
899 struct screen_buffer* curr;
902 assert( obj->ops == &console_input_ops );
903 if (console_in->title) free( console_in->title );
904 if (console_in->records) free( console_in->records );
906 if (console_in->active) release_object( console_in->active );
907 console_in->active = NULL;
909 for (curr = screen_buffer_list; curr; curr = curr->next)
911 if (curr->input == console_in) curr->input = NULL;
914 release_object( console_in->evt );
915 console_in->evt = NULL;
917 for (i = 0; i < console_in->history_size; i++)
918 if (console_in->history[i]) free( console_in->history[i] );
919 if (console_in->history) free( console_in->history );
922 static void screen_buffer_dump( struct object *obj, int verbose )
924 struct screen_buffer *screen_buffer = (struct screen_buffer *)obj;
925 assert( obj->ops == &screen_buffer_ops );
927 fprintf(stderr, "Console screen buffer input=%p\n", screen_buffer->input );
930 static void screen_buffer_destroy( struct object *obj )
932 struct screen_buffer *screen_buffer = (struct screen_buffer *)obj;
934 assert( obj->ops == &screen_buffer_ops );
936 if (screen_buffer->next) screen_buffer->next->prev = screen_buffer->prev;
937 if (screen_buffer->prev) screen_buffer->prev->next = screen_buffer->next;
938 else screen_buffer_list = screen_buffer->next;
940 if (screen_buffer->input && screen_buffer->input->active == screen_buffer)
942 struct screen_buffer* sb;
943 for (sb = screen_buffer_list; sb && sb->input != screen_buffer->input; sb = sb->next);
944 screen_buffer->input->active = sb;
946 if (screen_buffer->data) free( screen_buffer->data );
949 /* write data into a screen buffer */
950 static int write_console_output( struct screen_buffer *screen_buffer, size_t size,
951 const void* data, enum char_info_mode mode,
952 int x, int y, int wrap )
955 char_info_t *end, *dest = screen_buffer->data + y * screen_buffer->width + x;
957 if (y >= screen_buffer->height) return 0;
960 end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
962 end = screen_buffer->data + (y+1) * screen_buffer->width;
966 case CHAR_INFO_MODE_TEXT:
968 const WCHAR *ptr = data;
969 for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++) dest->ch = ptr[i];
972 case CHAR_INFO_MODE_ATTR:
974 const unsigned short *ptr = data;
975 for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++) dest->attr = ptr[i];
978 case CHAR_INFO_MODE_TEXTATTR:
980 const char_info_t *ptr = data;
981 for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++) *dest = ptr[i];
984 case CHAR_INFO_MODE_TEXTSTDATTR:
986 const WCHAR *ptr = data;
987 for (i = 0; i < size/sizeof(*ptr) && dest < end; dest++, i++)
990 dest->attr = screen_buffer->attr;
995 set_error( STATUS_INVALID_PARAMETER );
999 if (i && screen_buffer == screen_buffer->input->active)
1001 struct console_renderer_event evt;
1002 evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
1003 evt.u.update.top = y;
1004 evt.u.update.bottom = (y * screen_buffer->width + x + i - 1) / screen_buffer->width;
1005 console_input_events_append( screen_buffer->input->evt, &evt );
1010 /* fill a screen buffer with uniform data */
1011 static int fill_console_output( struct screen_buffer *screen_buffer, char_info_t data,
1012 enum char_info_mode mode, int x, int y, int count, int wrap )
1015 char_info_t *end, *dest = screen_buffer->data + y * screen_buffer->width + x;
1017 if (y >= screen_buffer->height) return 0;
1020 end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
1022 end = screen_buffer->data + (y+1) * screen_buffer->width;
1024 if (count > end - dest) count = end - dest;
1028 case CHAR_INFO_MODE_TEXT:
1029 for (i = 0; i < count; i++) dest[i].ch = data.ch;
1031 case CHAR_INFO_MODE_ATTR:
1032 for (i = 0; i < count; i++) dest[i].attr = data.attr;
1034 case CHAR_INFO_MODE_TEXTATTR:
1035 for (i = 0; i < count; i++) dest[i] = data;
1037 case CHAR_INFO_MODE_TEXTSTDATTR:
1038 for (i = 0; i < count; i++)
1040 dest[i].ch = data.ch;
1041 dest[i].attr = screen_buffer->attr;
1045 set_error( STATUS_INVALID_PARAMETER );
1049 if (count && screen_buffer == screen_buffer->input->active)
1051 struct console_renderer_event evt;
1052 evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
1053 evt.u.update.top = y;
1054 evt.u.update.bottom = (y * screen_buffer->width + x + count - 1) / screen_buffer->width;
1055 console_input_events_append( screen_buffer->input->evt, &evt );
1060 /* read data from a screen buffer */
1061 static void read_console_output( struct screen_buffer *screen_buffer, int x, int y,
1062 enum char_info_mode mode, int wrap )
1065 char_info_t *end, *src = screen_buffer->data + y * screen_buffer->width + x;
1067 if (y >= screen_buffer->height) return;
1070 end = screen_buffer->data + screen_buffer->height * screen_buffer->width;
1072 end = screen_buffer->data + (y+1) * screen_buffer->width;
1076 case CHAR_INFO_MODE_TEXT:
1079 int count = min( end - src, get_reply_max_size() / sizeof(*data) );
1080 if ((data = set_reply_data_size( count * sizeof(*data) )))
1082 for (i = 0; i < count; i++) data[i] = src[i].ch;
1086 case CHAR_INFO_MODE_ATTR:
1088 unsigned short *data;
1089 int count = min( end - src, get_reply_max_size() / sizeof(*data) );
1090 if ((data = set_reply_data_size( count * sizeof(*data) )))
1092 for (i = 0; i < count; i++) data[i] = src[i].attr;
1096 case CHAR_INFO_MODE_TEXTATTR:
1099 int count = min( end - src, get_reply_max_size() / sizeof(*data) );
1100 if ((data = set_reply_data_size( count * sizeof(*data) )))
1102 for (i = 0; i < count; i++) data[i] = src[i];
1107 set_error( STATUS_INVALID_PARAMETER );
1112 /* scroll parts of a screen buffer */
1113 static void scroll_console_output( obj_handle_t handle, int xsrc, int ysrc, int xdst, int ydst,
1116 struct screen_buffer *screen_buffer;
1118 char_info_t *psrc, *pdst;
1119 struct console_renderer_event evt;
1121 if (!(screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, handle,
1122 GENERIC_READ, &screen_buffer_ops )))
1124 if (xsrc < 0 || ysrc < 0 || xdst < 0 || ydst < 0 ||
1125 xsrc + w > screen_buffer->width ||
1126 xdst + w > screen_buffer->width ||
1127 ysrc + h > screen_buffer->height ||
1128 ydst + h > screen_buffer->height ||
1131 set_error( STATUS_INVALID_PARAMETER );
1132 release_object( screen_buffer );
1138 psrc = &screen_buffer->data[(ysrc + h - 1) * screen_buffer->width + xsrc];
1139 pdst = &screen_buffer->data[(ydst + h - 1) * screen_buffer->width + xdst];
1141 for (j = h; j > 0; j--)
1143 memcpy(pdst, psrc, w * sizeof(*pdst) );
1144 pdst -= screen_buffer->width;
1145 psrc -= screen_buffer->width;
1150 psrc = &screen_buffer->data[ysrc * screen_buffer->width + xsrc];
1151 pdst = &screen_buffer->data[ydst * screen_buffer->width + xdst];
1153 for (j = 0; j < h; j++)
1155 /* we use memmove here because when psrc and pdst are the same,
1156 * copies are done on the same row, so the dst and src blocks
1158 memmove( pdst, psrc, w * sizeof(*pdst) );
1159 pdst += screen_buffer->width;
1160 psrc += screen_buffer->width;
1164 /* FIXME: this could be enhanced, by signalling scroll */
1165 evt.event = CONSOLE_RENDERER_UPDATE_EVENT;
1166 evt.u.update.top = min(ysrc, ydst);
1167 evt.u.update.bottom = max(ysrc, ydst) + h - 1;
1168 console_input_events_append( screen_buffer->input->evt, &evt );
1170 release_object( screen_buffer );
1173 /* allocate a console for the renderer */
1174 DECL_HANDLER(alloc_console)
1176 obj_handle_t in = 0;
1177 obj_handle_t evt = 0;
1178 struct process *process;
1179 struct process *renderer = current->process;
1180 struct console_input *console;
1182 process = (req->pid) ? get_process_from_id( req->pid ) :
1183 (struct process *)grab_object( renderer->parent );
1185 reply->handle_in = 0;
1187 if (!process) return;
1188 if (process != renderer && process->console)
1190 set_error( STATUS_ACCESS_DENIED );
1194 if ((console = (struct console_input*)create_console_input( current )))
1196 if ((in = alloc_handle( renderer, console, req->access, req->inherit )))
1198 if ((evt = alloc_handle( renderer, console->evt,
1199 SYNCHRONIZE|GENERIC_READ|GENERIC_WRITE, FALSE )))
1201 if (process != renderer)
1203 process->console = (struct console_input*)grab_object( console );
1204 console->num_proc++;
1206 reply->handle_in = in;
1208 release_object( console );
1211 close_handle( renderer, in, NULL );
1213 free_console( process );
1216 release_object( process );
1219 /* free the console of the current process */
1220 DECL_HANDLER(free_console)
1222 free_console( current->process );
1225 /* let the renderer peek the events it's waiting on */
1226 DECL_HANDLER(get_console_renderer_events)
1228 struct console_input_events *evt;
1230 evt = (struct console_input_events *)get_handle_obj( current->process, req->handle,
1231 GENERIC_WRITE, &console_input_events_ops );
1233 console_input_events_get( evt );
1234 release_object( evt );
1237 /* open a handle to the process console */
1238 DECL_HANDLER(open_console)
1240 struct object *obj = NULL;
1246 if (current->process->console && current->process->console->renderer)
1247 obj = grab_object( (struct object*)current->process->console );
1250 if (current->process->console && current->process->console->renderer &&
1251 current->process->console->active)
1252 obj = grab_object( (struct object*)current->process->console->active );
1255 if ((obj = get_handle_obj( current->process, (obj_handle_t)req->from,
1256 GENERIC_READ|GENERIC_WRITE, &console_input_ops )))
1258 struct console_input* console = (struct console_input*)obj;
1259 obj = (console->active) ? grab_object( console->active ) : NULL;
1260 release_object( console );
1265 /* FIXME: req->share is not used (as in screen buffer creation) */
1268 reply->handle = alloc_handle( current->process, obj, req->access, req->inherit );
1269 release_object( obj );
1271 else if (!get_error()) set_error( STATUS_ACCESS_DENIED );
1274 /* set info about a console input */
1275 DECL_HANDLER(set_console_input_info)
1277 set_console_input_info( req, get_req_data(), get_req_data_size() );
1280 /* get info about a console (output only) */
1281 DECL_HANDLER(get_console_input_info)
1283 struct console_input *console;
1285 if (!(console = console_input_get( req->handle, GENERIC_READ ))) return;
1288 size_t len = strlenW( console->title ) * sizeof(WCHAR);
1289 if (len > get_reply_max_size()) len = get_reply_max_size();
1290 set_reply_data( console->title, len );
1292 reply->history_mode = console->history_mode;
1293 reply->history_size = console->history_size;
1294 reply->history_index = console->history_index;
1295 release_object( console );
1298 /* get a console mode (input or output) */
1299 DECL_HANDLER(get_console_mode)
1301 reply->mode = get_console_mode( req->handle );
1304 /* set a console mode (input or output) */
1305 DECL_HANDLER(set_console_mode)
1307 set_console_mode( req->handle, req->mode );
1310 /* add input records to a console input queue */
1311 DECL_HANDLER(write_console_input)
1313 struct console_input *console;
1316 if (!(console = (struct console_input *)get_handle_obj( current->process, req->handle,
1317 GENERIC_WRITE, &console_input_ops )))
1319 reply->written = write_console_input( console, get_req_data_size() / sizeof(INPUT_RECORD),
1321 release_object( console );
1324 /* fetch input records from a console input queue */
1325 DECL_HANDLER(read_console_input)
1327 int count = get_reply_max_size() / sizeof(INPUT_RECORD);
1328 reply->read = read_console_input( req->handle, count, req->flush );
1331 /* appends a string to console's history */
1332 DECL_HANDLER(append_console_input_history)
1334 struct console_input *console;
1336 if (!(console = console_input_get( req->handle, GENERIC_WRITE ))) return;
1337 console_input_append_hist( console, get_req_data(), get_req_data_size() / sizeof(WCHAR) );
1338 release_object( console );
1341 /* appends a string to console's history */
1342 DECL_HANDLER(get_console_input_history)
1344 struct console_input *console;
1346 if (!(console = console_input_get( req->handle, GENERIC_WRITE ))) return;
1347 reply->total = console_input_get_hist( console, req->index );
1348 release_object( console );
1351 /* creates a screen buffer */
1352 DECL_HANDLER(create_console_output)
1354 struct console_input* console;
1355 struct screen_buffer* screen_buffer;
1357 if (!(console = console_input_get( req->handle_in, GENERIC_WRITE))) return;
1359 screen_buffer = create_console_output( console );
1362 /* FIXME: should store sharing and test it when opening the CONOUT$ device
1363 * see file.c on how this could be done */
1364 reply->handle_out = alloc_handle( current->process, screen_buffer,
1365 req->access, req->inherit );
1366 release_object( screen_buffer );
1368 release_object( console );
1371 /* set info about a console screen buffer */
1372 DECL_HANDLER(set_console_output_info)
1374 struct screen_buffer *screen_buffer;
1376 if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1377 GENERIC_WRITE, &screen_buffer_ops)))
1379 set_console_output_info( screen_buffer, req );
1380 release_object( screen_buffer );
1384 /* get info about a console screen buffer */
1385 DECL_HANDLER(get_console_output_info)
1387 struct screen_buffer *screen_buffer;
1389 if ((screen_buffer = (struct screen_buffer *)get_handle_obj( current->process, req->handle,
1390 GENERIC_READ, &screen_buffer_ops)))
1392 reply->cursor_size = screen_buffer->cursor_size;
1393 reply->cursor_visible = screen_buffer->cursor_visible;
1394 reply->cursor_x = screen_buffer->cursor_x;
1395 reply->cursor_y = screen_buffer->cursor_y;
1396 reply->width = screen_buffer->width;
1397 reply->height = screen_buffer->height;
1398 reply->attr = screen_buffer->attr;
1399 reply->win_left = screen_buffer->win.left;
1400 reply->win_top = screen_buffer->win.top;
1401 reply->win_right = screen_buffer->win.right;
1402 reply->win_bottom = screen_buffer->win.bottom;
1403 reply->max_width = screen_buffer->max_width;
1404 reply->max_height = screen_buffer->max_height;
1405 release_object( screen_buffer );
1409 /* read data (chars & attrs) from a screen buffer */
1410 DECL_HANDLER(read_console_output)
1412 struct screen_buffer *screen_buffer;
1414 if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1415 GENERIC_READ, &screen_buffer_ops )))
1417 read_console_output( screen_buffer, req->x, req->y, req->mode, req->wrap );
1418 reply->width = screen_buffer->width;
1419 reply->height = screen_buffer->height;
1420 release_object( screen_buffer );
1424 /* write data (char and/or attrs) to a screen buffer */
1425 DECL_HANDLER(write_console_output)
1427 struct screen_buffer *screen_buffer;
1429 if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1430 GENERIC_WRITE, &screen_buffer_ops)))
1432 reply->written = write_console_output( screen_buffer, get_req_data_size(), get_req_data(),
1433 req->mode, req->x, req->y, req->wrap );
1434 reply->width = screen_buffer->width;
1435 reply->height = screen_buffer->height;
1436 release_object( screen_buffer );
1440 /* fill a screen buffer with constant data (chars and/or attributes) */
1441 DECL_HANDLER(fill_console_output)
1443 struct screen_buffer *screen_buffer;
1445 if ((screen_buffer = (struct screen_buffer*)get_handle_obj( current->process, req->handle,
1446 GENERIC_WRITE, &screen_buffer_ops)))
1448 reply->written = fill_console_output( screen_buffer, req->data, req->mode,
1449 req->x, req->y, req->count, req->wrap );
1450 release_object( screen_buffer );
1454 /* move a rect of data in a screen buffer */
1455 DECL_HANDLER(move_console_output)
1457 scroll_console_output( req->handle, req->x_src, req->y_src, req->x_dst, req->y_dst,
1461 /* sends a signal to a console (process, group...) */
1462 DECL_HANDLER(send_console_signal)
1466 group = req->group_id ? req->group_id : current->process->group_id;
1469 set_error( STATUS_INVALID_PARAMETER);
1471 propagate_console_signal( current->process->console, req->signal, group );